Dear All,

It has been my great pleasure to work with willing and able minds. In our school, the indicator for this breed is IF( ID in M239, 1, 0). Indeed, finishing the class is a testament to your grit and wit.

M239 promised you three things: Excel, logic thinking, and competence, along with its demanding nature. In hinder sight, I am less sure if I have delivered the first three, but I am quite sure of its demanding nature. I believe honest teaching must be challenging; true learning must go beyond one’s comfortable zone. I’ve never felt sorry for pushing the limits of my students.

Perhaps you will forget the models of dart game, newsvendor, options, hedging, market share, healthcare, social mobility, auctions, or Markov chain. Perhaps you will not use all the techniques from M239 in your future life. Perhaps you will forget the intellectual challenges you have endured.  But the hours of hard work you have committed to overcome those challenges, will undoubtedly sharpen your logic thinking, enhance your competence, and shape your character. At the end of the day, it is at this level that you should seek the reward for your efforts.

Others may wonder if all your efforts are worthwhile. They seem to confuse two states of life: survival and quality. People can survive by living on welfare. But to live a quality life, we need to be a bit more demanding—what we think we become.


“Watch your thoughts for they become words. Watch your words for they become actions. Watch your actions for they become habits. Watch your habits, for they become your character. And watch your character, for it becomes your destiny. What we think we become.”

I wish you excel!

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3 thoughts on “TEACHING: FINALE

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